Bykov Dmitriy

From Saint Petersburg, Russia

EMA: 15990236

Player page

Common russian riichi rating (CRR)

Rating date Feb. 1, 2020 (latest changes Feb. 1, 2020).

73 place (490.15).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.85 * 1 + 3.45 * 1) = 15.55

p1 = (741.94 * 2.70 * 0.14 + 873.24 * 3.55 * 0.43 + 692.31 * 2.90 * 0.86 + 634.92 * 3.45 * 1 + 0) / (2.70 * 0.14 + 3.55 * 0.43 + 2.90 * 0.86 + 3.45 * 1 + 1) = 624.9260710509503

p2 = (634.92 * 3.45 * 1 + 692.31 * 2.90 * 0.86 + 873.24 * 3.55 * 0.43 + 741.94 * 2.70 * 0.14) / max_coefficients = 355.38199356913185

score = 624.9260710509503 * 0.5 + 355.38199356913185 * 0.5 = 490.1540323100411

Rating changes

Show

Date Place Points Reason
2020-02-01 73 490.15

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 635 2019-11-24 24/64 100% 3.45 EMA Saint Petersburg Open 2019
2 692 2018-12-23 13/40 86% 2.90 RR North Cup 2018
3 873 2018-06-11 10/72 43% 3.55 EMA RCR Saint Petersburg South Cup 2018
4 742 2018-03-04 9/32 14% 2.70 RR East Cup 2018
5 506 2017-12-11 42/84 0% 3.40 EMA VI Russian Riichi Championship 2017
6 103 2017-10-01 36/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017
7 282 2017-06-03 29/40 0% 1.80 RR Saint Petersburg championship. West cup 2017
8 860 2017-03-18 7/44 0% 1.90 RR Saint Petersburg championship. South cup 2017
9 183 2016-12-04 59/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016
10 0 2016-10-16 32/32 0% 1.60 RR Tournament of 4 winds. West cup 2016
11 770 2016-09-11 21/88 0% 3.45 EMA V Russian Riichi Championship 2016
12 1000 2016-07-03 1/24 0% 1.40 RR Tournament of 4 winds. South cup 2016
13 596 2016-03-13 41/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
14 282 2016-02-22 29/40 0% 2.60 EMA Ivanovo Region Riichi Championship 2016
15 158 2015-11-15 17/20 0% 1.30 RR Tournament of Saint Petersburg riichi mahjong league
16 451 2015-10-18 29/52 0% 2.90 EMA Russian Open Riichi Championship 2015
17 886 2015-08-22 5/36 0% 1.70 EMA Nizhny Novgorod Riichi Championship 2015
18 684 2015-03-15 7/20 0% 2.10 RR Nizhny Novgorod riichi mahjong tournament